../ dmsp_15_ephemeris_20221125.txt 22-Jun-2023 16:33 109446 dmsp_16_ephemeris_20221125.txt 22-Jun-2023 16:33 109370 dmsp_17_ephemeris_20221125.txt 22-Jun-2023 16:33 109408 dmsp_18_ephemeris_20221125.txt 22-Jun-2023 16:33 109406